Home / 154,293.92-231,466.80-49,145.12

Finding the Fourth Proportional to 154,293.92, 231,466.80 and 49,145.12

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Solution

The fourth proportional to 154,293.92, 231,466.80 and 49,145.12 is: 73,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,293.92 : 231,466.80 = 49,145.12 : x
  2. Step 2: Convert to fraction form
    154,293.92/231,466.80 = 49,145.12/x
  3. Step 3: Cross multiply
    154,293.92x = 231,466.80 × 49,145.12
  4. Step 4: Simplify right side
    154,293.92x = 11,375,463,662.02
  5. Step 5: Solve for x
    x = 11,375,463,662.02/154,293.92
  6. Step 6: Final answer
    x = 73,725.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.